Reliable glass construction: Made from glass, this bottle is heat and reaction resistant, providing long-lasting performance in demanding laboratory environments. Multi-purpose use: Suitable for a variety of scientific experiments and ideal for storing and dispensing reagents, serums, samples, and various chemicals. Precise measurement at a glance: This glass test sample serum bottle features scale lines, enabling clear and accurate measurement of reagents during laboratory experiments. Improves accuracy and efficiency: The glass scale lines allow scientists and researchers to take precise measurements, supporting more accurate results and improved experimental efficiency. Use scenarios: - Reagent preparation and dispensing during routine chemical assays, where precise dosing is needed. - Storage and handling of serums, samples, and solvents during sample preparation and analysis. - Small-volume experiments that require careful and repeatable measurement of reagents.